package com.atguigu.springcloud.service.impl;

import com.atguigu.springcloud.service.IMessageProvider;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.cloud.stream.messaging.Source;
import org.springframework.integration.support.MessageBuilder;
import org.springframework.integration.support.MessageBuilderFactory;
import org.springframework.messaging.MessageChannel;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;

import java.util.UUID;

/**
 * @author 孙志鹏
 * @createDate 2022/4/16 18:30
 */
@EnableBinding(Source.class)// 定义消息的推送管道
public class MessageProivderImpl implements IMessageProvider {

    @Autowired
    private MessageChannel output; // 消息发送管道

    @Override
    public String send() {
        String serial = UUID.randomUUID().toString();
        output.send(MessageBuilder.withPayload(serial).build());
        System.out.println("******serial: " + serial);
        return null;
    }
}
